56705136 has 40 divisors (see below), whose sum is σ = 148978560. Its totient is φ = 18580416.

The previous prime is 56705123. The next prime is 56705147. The reversal of 56705136 is 63150765.

It is a junction number, because it is equal to n+sod(n) for n = 56705097 and 56705106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7180 + ... + 12843.

It is an arithmetic number, because the mean of its divisors is an integer number (3724464).

Almost surely, 2^56705136 is an apocalyptic number.

It is an amenable number.

56705136 is an abundant number, since it is smaller than the sum of its proper divisors (92273424).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56705136 is a wasteful number, since it uses less digits than its factorization.

56705136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20093 (or 20087 counting only the distinct ones).

The product of its (nonzero) digits is 18900, while the sum is 33.

The square root of 56705136 is about 7530.2812696472. The cubic root of 56705136 is about 384.1853488896.

The spelling of 56705136 in words is "fifty-six million, seven hundred five thousand, one hundred thirty-six".